{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell line", "protein", "DNA", "cell type"], "input": "This low frequency of response was no different from that previously detected using cultures of T cells and autologous dendritic cells ."}
{"RNA": [], "cell line": [], "protein": [], "DNA": [], "cell type": ["T cells", "autologous dendritic cells"]}